Diagnose & Map method guide
Five Forces Analysis
Five Forces examines industry structure through rivalry, buyers, suppliers, substitutes and new entrants.
Beginner-friendly guide · 4 min read
What Five Forces Analysis does
Five Forces examines industry structure through rivalry, buyers, suppliers, substitutes and new entrants.
Five Forces examines the structure of an industry and the pressures that shape how much value participants can retain. It widens competitor analysis beyond named rivals.
The unit of analysis matters. Define the product or service, customers, geography and alternatives before judging the forces. A force is strong because of an economic mechanism, not because a workshop participant chose a high score.
Porter’s framework explains profitability through industry structure. The unit of analysis is the industry or market, not the focal company’s internal strengths.[1]
The centre is the industry. Each surrounding force can increase pressure on prices, costs or investment.
- Rivalry
- Buyer power
- Supplier power
- New entrants
- Substitutes
InnovationFlow explanatory schematic, synthesised from the method sources[1].
Understand the method
The parts in plain language
Rivalry and entrants
Rivalry concerns the intensity and basis of competition among existing providers. Entry examines how easily new providers can overcome scale, access, regulation, trust or capability barriers.[1]
Illustrative example
Standard cloud infrastructure lowers technical entry barriers, while safety certification and service coverage remain substantial barriers.
Buyers and suppliers
Power increases when one side has concentration, information, switching options or control over something scarce. Assess who can credibly walk away and at what cost.[1]
Illustrative example
A small number of global component suppliers gain power when qualification takes years.
Substitutes
A substitute solves the same customer need through a different route. It may come from outside the industry boundary and cap the price customers will accept.[1]
Illustrative example
On-site consulting can substitute for analytics software if it delivers the same efficiency outcome.
When to use it
- When assessing entry, positioning or structural attractiveness.
- When competitor analysis is too narrowly focused on named rivals.
A practical workflow
- 1
Define the industry boundary, customers and geography.
- 2
Assess evidence for each force and the mechanisms creating pressure.
- 3
Compare force strength and how it may change.
- 4
Translate structural implications into positioning, capability and roadmap choices.
Fictional worked example
Example: industrial analytics services
This example is illustrative rather than a reported case. A firm assesses the market for factory energy-analytics services.
Observation:Large customers run formal tenders and can compare providers.
Implication:Buyer power is high unless the offer creates switching costs or distinctive evidence.
Observation:Access depends on equipment data controlled by several vendors.
Implication:Partnership and interoperability strategy affect margin and speed.
Observation:Consultancies and internal engineering teams can deliver similar outcomes.
Implication:Position against the customer job, not only software competitors.
From analysis to decision
How to interpret the result
- 1Explain the mechanism and evidence behind every force.
- 2Consider how each force may change over the roadmap horizon.
- 3Translate structural insight into positioning, capability and business-model choices.
The interpretation guidance is an InnovationFlow synthesis of[1].
What a useful output looks like
Common pitfalls
- Do not turn the five headings into unsupported scores.
- Avoid mixing company capabilities into an industry-structure analysis.
References and method basis
- [1]Harvard Business School Institute for Strategy and Competitiveness (n.d.). The Five Forces. Harvard Business School. Source ↗Originating institution
This guide synthesises the named sources into practical questions for strategy and innovation work. It does not claim that using a tool by itself produces a successful decision.